Mix together crushed pretzels, chopped pecans, brown sugar, and melted butter.
Spread on a large baking sheet or pan with sides and bake at 400 degrees for 7 minutes. Allow the mixture to cool. Break it into small pieces. Set aside.
Beat together softened cream cheese, granulated sugar, and vanilla.
Fold in the whipped cream. Cover and store in the fridge.
Before serving, stir the diced strawberries and sugared pretzels, and pecans into the cream cheese mixture.